A Resource Allocation Evolutionary Algorithm for OFDM Based on Karush-Kuhn-Tucker Conditions

المؤلفون المشاركون

Wang, Qiang
Liu, Hailin

المصدر

Mathematical Problems in Engineering

العدد

المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-8، 8ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2013-04-21

دولة النشر

مصر

عدد الصفحات

8

التخصصات الرئيسية

هندسة مدنية

الملخص EN

For orthogonal frequency division multiplexing(OFDM), resource scheduling plays an important role.

Inresource scheduling, power allocation and subcarrier allocationare not independent.

So the conventional two-step methodis not very good for OFDM resource allocation.

This paperproposes a new method for OFDM resource allocation.

Thismethod combines evolutionary algorithm (EA) with Karush-Kuhn-Tucker conditions (KKT conditions).

In the optimizingprocess, a set of subcarrier allocation programs are made asa population of evolutionary algorithm.

For each subcarrierallocation program, a power allocation program is calculatedthrough KKT conditions.

Then, the system rate of each subcarrierallocation program can be calculated.

The fitness ofeach individual is its system rate.

The information of optimizingsubcarrier and power allocation can be interacted with each other.

So, it can overcome the shortcoming of the two-step method.

Computer experiments show the proposed algorithm is effective.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Liu, Hailin& Wang, Qiang. 2013. A Resource Allocation Evolutionary Algorithm for OFDM Based on Karush-Kuhn-Tucker Conditions. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-1031864

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Liu, Hailin& Wang, Qiang. A Resource Allocation Evolutionary Algorithm for OFDM Based on Karush-Kuhn-Tucker Conditions. Mathematical Problems in Engineering No. 2013 (2013), pp.1-8.
https://search.emarefa.net/detail/BIM-1031864

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Liu, Hailin& Wang, Qiang. A Resource Allocation Evolutionary Algorithm for OFDM Based on Karush-Kuhn-Tucker Conditions. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-1031864

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-1031864